CN115749147A - Assembled building sleeve grouting device and method - Google Patents
Assembled building sleeve grouting device and method Download PDFInfo
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- CN115749147A CN115749147A CN202211641105.6A CN202211641105A CN115749147A CN 115749147 A CN115749147 A CN 115749147A CN 202211641105 A CN202211641105 A CN 202211641105A CN 115749147 A CN115749147 A CN 115749147A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 42
- 239000011440 grout Substances 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007569 slipcasting Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 15
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The application relates to an assembly type building sleeve grouting device and method, and relates to the technical field of engineering construction. The device comprises a sleeve, a driver and an oscilloscope, wherein the tube mouths at two ends of the sleeve are respectively used for penetrating through connecting steel bars of two different prefabricated components, piezoelectric ceramics are respectively arranged at the positions of the tube mouths at the upper end and the lower end of the sleeve in parallel, one of the piezoelectric ceramics is communicated with the driver, and the other piezoelectric ceramics is communicated with the oscilloscope; the telescopic bottom intercommunication is provided with the inlet pipe that is used for with slip casting equipment switch-on, and telescopic top intercommunication is provided with the discharging pipe. This application tests the concrete grout in the sleeve through piezoceramics, can in time discover the bubble cavity information in the concrete grout to carry out timely adjustment to connection structure on this basis, improve grout muffjoint mode's connection stability, improve connection structure's atress performance.
Description
Technical Field
The application relates to the technical field of engineering construction, in particular to an assembly type construction sleeve grouting device and method.
Background
Buildings constructed by assembling prefabricated parts are steadily developed under the support of people's attention and countries. The construction steps of the fabricated building are generally to finish pouring of each component in a factory, and to assemble the components after transportation to the site, so as to realize rapid construction of the building.
In the related art of the assembled reinforced concrete structural engineering, the grouting sleeve connection is a common general connection mode. The one side that two prefabricated component that prepare to connect each other all can be pre-buried stretches out the connecting reinforcement of surface and one-to-one, stretches into from telescopic both ends respectively through the reinforcing bar that corresponds two prefabricated component connections to fill high strength concrete grout material in the sleeve, wait for it to realize the stable connection after solidifying.
In the connection structure of the grout sleeve, the fullness of concrete grout directly affects the quality of the fabricated concrete structure. If the grouting sleeve is not full, a larger air bubble cavity is formed, the connecting structure cannot achieve the expected stress performance, and therefore serious potential safety hazards are generated.
Aiming at the related technologies, the inventor finds that a bubble cavity often exists in a connecting structure of a grouting sleeve, a worker does not have a corresponding means to detect the bubble cavity in the connecting structure before solidification, and after concrete is cooled, once a plurality of bubble cavities are communicated with one another, the stress performance of the connecting structure can be greatly influenced, so that the connecting structure has serious potential safety hazards, and the connecting structure needs to be dismantled and reworked.
Disclosure of Invention
In order to detect the concrete grout structure in the sleeve in real time, find the bubble cavity information in the concrete grout in time, and adjust the connection structure in time, improve the connection stability of the grouting sleeve connection mode, improve the stress performance of the connection structure, the application provides an assembly type building sleeve grouting device and method.
In a first aspect, the application provides an assembly type building sleeve grouting device and method, which adopts the following technical scheme:
an assembled grouting device for a building sleeve comprises the sleeve, a driver and an oscilloscope, wherein cylinder openings at two ends of the sleeve are respectively used for penetrating connecting reinforcing steel bars of two different prefabricated components, and cylinder openings at the upper end and the lower end of the sleeve are respectively provided with a piezoelectric ceramic in parallel, wherein one piezoelectric ceramic is communicated with the driver, and the other piezoelectric ceramic is communicated with the oscilloscope;
telescopic bottom intercommunication is provided with the inlet pipe that is used for with the slip casting equipment switch-on, and telescopic top intercommunication is provided with the discharging pipe.
By adopting the technical scheme, after the grouting equipment fills the sleeve with the concrete slurry, the driver is opened to enable the corresponding piezoelectric ceramics to generate signal waves, then the piezoelectric ceramics positioned at the upper end of the sleeve receive the signal waves and display the signal waves on the oscilloscope, the waveforms on the oscilloscope can be compared with the standard waveforms in the full state, when the waveforms of the piezoelectric ceramics and the oscilloscope are different greatly, a large bubble cavity can be determined to appear in the inner cavity of the sleeve, at the moment, a worker can continuously inject the concrete slurry into the sleeve, the slurry with bubbles overflows from the discharge pipe, and the sleeve is filled with the more compact concrete slurry until the concrete slurry saturation between the two piezoelectric ceramics meets the requirement.
Optionally, still include the subassembly of vibrating, the subassembly of vibrating includes vibrator, connecting rod, connecting pipe, and the tip that two joint reinforcement are close to each other all slides and is connected to the connecting pipe in, the position department intercommunication that corresponds with the connecting pipe on the sleeve is provided with the pipe of vibrating, the connecting pipe slides and connects in the pipe of vibrating, and the one end of connecting rod stretch into in the sleeve and the connecting pipe is installed together, and the connecting pipe is located the position department outside the sleeve and installs together with the vibrator.
Through adopting above-mentioned technical scheme, appear great bubble inner chamber in the concrete thick liquid in oscilloscope display sleeve after, open the vibrator, on will vibrate the two reinforcing bars that transmit to the sleeve in through the connecting rod, and then transmit the vibration for the concrete thick liquid in the sleeve. The concrete thick liquid receives the influence of vibration can extrude inside bubble, makes the concrete thick liquid texture after solidifying more closely knit, has improved the plumpness of concrete in the sleeve to connection structure's connection stability has been improved.
Optionally, the vibrator includes a vibration motor and a vibration cylinder eccentrically fixed to an output shaft of the vibration motor, and the vibration cylinder is installed at a position where the connecting rod extends out of the sleeve.
By adopting the technical scheme, after the vibration motor is started, the vibration cylinder can be driven to vibrate under unbalanced centrifugal force. Vibration is transmitted to two reinforcing bars in the sleeve through the connecting rod, and then transmits to the concrete grout in the whole sleeve for the concrete grout in the sleeve is discharged the bubble under the effect of vibrating.
Optionally, the connecting rod includes linkage segment and dismantlement section, dismantle the section and install with the linkage segment together, the linkage segment is located the vibrating tube, and the one end that the linkage segment deviates from the dismantlement section stretches into in the sleeve and links together with the connecting pipe, and dismantlement section is located the vibrating tube outside, the vibrator is installed in the dismantlement section.
Through adopting above-mentioned technical scheme for the installation of subassembly that vibrates is more convenient.
Optionally, a rubber sleeve is arranged between the connecting section and the vibrating tube, and the connecting section is connected with the vibrating tube in a sealing manner through the rubber sleeve.
Through adopting above-mentioned technical scheme, reduced the vibration in-process, the concrete thick liquids have reduced the vibration influence that the sleeve received simultaneously through the condition that vibrates the pipe and leak.
Optionally, the connecting pipe is provided with an internal thread, and the connecting steel bar of at least one prefabricated part is provided with an external thread adapted to the internal thread.
Through adopting above-mentioned technical scheme, improved the stability of connecting pipe and connecting reinforcement to a certain extent.
Optionally, the height of the end of the discharge pipe away from the sleeve is higher than the height of the inner cavity of the sleeve.
Through adopting above-mentioned technical scheme, reduced the sleeve top because fill the condition that the unsatisfied bubble cavity appears.
Optionally, an end cover is arranged at the end of the sleeve, the end cover is sleeved on and in threaded connection with the end of the sleeve, and a sealing gasket is filled between the end cover and the sleeve.
Through adopting above-mentioned technical scheme, make sealed pad take place deformation to the connecting reinforcement through end cover and the mutual extrusion of sleeve and extrude to improve the leakproofness between connecting reinforcement and the sleeve, reduced the condition that the concrete grout flows out.
Optionally, the surface of the inner wall of the end cover facing the sleeve is a conical surface, and the surface of the sealing gasket facing the end cover is an arc surface protruding towards the conical surface.
Through adopting above-mentioned technical scheme, further improved the sealing performance between sleeve both ends and the connecting reinforcement.
On the other hand, the application discloses an assembly type building sleeve grouting method, including the following steps:
sleeving a connecting pipe at the end parts of the two connecting steel bars close to each other, and respectively extending the two connecting steel bars into the sleeve from pipe orifices at two ends of the sleeve;
inserting the connecting rod into the vibrating tube, and screwing the connecting rod to connect the connecting rod to the connecting tube in a threaded manner;
communicating grouting equipment with a feeding pipe, and injecting grout into the sleeve until the discharging pipe is filled;
after grouting is finished, starting a vibrator;
after the vibrator is closed, the driver and the oscilloscope are opened to detect the slurry in the sleeve;
and when a large bubble cavity exists in the slurry in the sleeve, closing the driver and the oscilloscope, restarting the vibrator, and then starting the driver and the oscilloscope again after closing the vibrator to detect the slurry in the sleeve until the coincidence degree of the waveform displayed by the oscilloscope and the standard waveform is not less than 80%.
Through adopting above-mentioned technical scheme, not only the closely knit degree of thick liquid in the sleeve has been detected before the thick liquid solidifies, can also adjust the closely knit degree of thick liquid as early as to reduce the bubble cavity that contains in the sleeve in the concrete, improved connection structure's atress performance, reduced the potential safety hazard of concatenation formula building, reduced the condition of doing over again to connection structure.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the piezoelectric ceramics are arranged at the two ends of the sleeve, so that a worker can timely detect the concrete grout in the sleeve before the concrete grout is solidified, find the bubble cavity in the concrete grout in time and timely respond;
2. through the arrangement of the vibrating assembly, workers can vibrate the concrete grout through the connecting steel bars, bubbles in the concrete grout are vibrated out of the sleeve, and the plumpness of the concrete grout in the sleeve is improved, so that the stress performance of the connecting structure is improved;
3. the inner cavity of the sleeve is sealed by arranging the end covers at the two ends of the sleeve, so that the condition of flow flowing at the end part of the sleeve is reduced.
Drawings
FIG. 1 is a sectional view showing a layout structure of a pipe coupling sleeve structure in the embodiment of the present application.
Fig. 2 is a schematic view of a mounting structure between the end cap and the sleeve in the embodiment of the present application.
Description of the reference numerals: 1. a sleeve; 11. a feed pipe; 12. a discharge pipe; 13. a limiting ring; 14. vibrating the tube; 15. a rubber sleeve; 16. an end cap; 161. a conical surface; 17. a gasket; 171. an arc-shaped surface; 2. a detection component; 21. a driver; 22. piezoelectric ceramics; 23. an oscilloscope; 3. prefabricating a component; 31. connecting reinforcing steel bars; 4. a vibrating assembly; 41. a vibrator; 411. a vibration motor; 412. vibrating a cylinder; 42. a connecting rod; 421. a connecting section; 422. disassembling the section; 43. and (4) connecting the pipes.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
In a first aspect, the embodiment of the application discloses an assembled building sleeve grouting device.
Referring to fig. 1, in a fabricated building, a grouting sleeve 1 is usually pre-embedded in one prefabricated part 3, and then the prefabricated part 3 is hoisted and arranged on the other prefabricated part 3 together with the sleeve 1, so that a connecting steel bar 31 of the other prefabricated part 3 is coaxially inserted into the corresponding sleeve 1. Generally, two prefabricated components are connected in a transverse assembling mode or a vertical assembling mode, and the vertical assembling mode is selected for the description in the application.
The grouting device comprises a sleeve 1 and a detection assembly 2. The sleeve 1 is used for being communicated with grouting equipment, so that the grouting equipment injects concrete grout into the inner cavity of the sleeve 1 for filling. Two prefabricated component 3 that wait to connect one side of each other orientation stretch out many one-to-one connecting reinforcement 31 respectively, and two connecting reinforcement 31 that two different prefabricated component 3 correspond wear to establish in sleeve 1 from the both ends nozzle of a sleeve 1 is coaxial respectively.
The bottom level intercommunication of sleeve 1 is provided with the inlet pipe 11 that is used for supplying concrete thick liquids to get into the sleeve 1 inner chamber, and the top level intercommunication of sleeve 1 is provided with discharging pipe 12, and the inlet pipe 11 of sleeve 1 and discharging pipe 12 all stretch out to prefabricated component 3's surface, and the discharge end and the inlet pipe 11 intercommunication of slip casting equipment and through inlet pipe 11 pour into concrete thick liquids into in the sleeve 1.
The detection assembly 2 comprises a driver 21, an oscilloscope 23 and two annular thin-sheet piezoelectric ceramics 22 which are horizontally and fixedly connected to the positions of the tube mouths at the upper end and the lower end of the sleeve 1 respectively. One of the piezoelectric ceramics 22 is connected with the driver 21, and the other piezoelectric ceramics 22 is connected with the oscilloscope 23.
Referring to fig. 1, in order to avoid the situation that the piezoelectric ceramics 22 and the connecting steel bar 31 are damaged by extrusion, the inner walls of the two ends of the sleeve 1 are respectively and coaxially and fixedly connected with a limiting ring 13, the inner diameter of the limiting ring 13 is not smaller than that of the piezoelectric ceramics 22, and the two limiting rings 13 are respectively located on one side where the two piezoelectric ceramics 22 deviate from each other.
When the grouting equipment fills the sleeve 1 with concrete grout, the driver 21 is opened to enable the corresponding piezoelectric ceramic 22 to generate signal waves, and then the piezoelectric ceramic 22 at the upper end of the sleeve 1 receives the signal waves and displays the signal waves on the oscilloscope 23.
The waveform of the concrete slurry in the sleeve 1 in the full state is now referred to as a standard waveform. When a large bubble cavity is present in the interior of the sleeve 1, the waveform will vary over the surface of the cavity, resulting in a large difference between the standard waveform of the waveform displayed on the oscilloscope 23. The staff can adopt the mode of continuing to pour into the concrete thick liquid into sleeve 1 into, extrudes the thick liquid with the bubble from discharging pipe 12 for the concrete thick liquid in sleeve 1 is more closely knit, makes the similarity rate between the waveform that oscilloscope 23 shows and the standard waveform reach more than 80% finally.
Referring to fig. 1, in order to reduce the occurrence of bubble voids at the top end of the jacket 1, the height of the end of the tapping pipe 12 remote from the jacket 1 is greater than the height of the inner cavity of the jacket 1. Particularly, the discharging pipe 12 is integrally L-shaped and comprises a horizontal section and a vertical section, the horizontal section is communicated with the sleeve 1 and is positioned at the highest point of the inner cavity of the sleeve 1, and the vertical section is positioned at the upper side position of the end part of the horizontal section far away from the sleeve 1. Meanwhile, in order to facilitate observation of the slurry condition in the discharge pipe 12, the feed pipe 11 and the discharge pipe 12 are made of transparent plastic pipes.
Further, the grouting device also comprises a vibrating assembly 4. The vibrating assembly 4 comprises a vibrator 41, a connecting rod 42 and a connecting pipe 43. The ends of the two connecting steel bars 31 in the sleeve 1, which are close to each other, extend into the connecting pipe 43, and one end of the connecting rod 42 is screwed in the center of the connecting pipe 43. The sleeve 1 is communicated with the position corresponding to the connecting pipe 43 and is horizontally provided with a vibrating pipe 14, and the end surface of the vibrating pipe 14 far away from the sleeve 1 is flush with the surface of the prefabricated part 3 where the sleeve 1 is located. The connecting rod 42 is inserted into the vibrating tube 14 and connected with the vibrating tube 14 in a sliding manner, and the end part of the connecting rod 42 extending out of the sleeve 1 is installed together with the vibrator 41.
Referring to fig. 1, the vibrator 41 includes a vibration motor 411, and a vibration cylinder 412 eccentrically fixed to an output shaft of the vibration motor 411, wherein a connection hole is vertically formed in an end portion of the connection rod 42 extending out of the vibrating tube 14, and the vibration cylinder 412 is fixedly installed in the connection hole through a bolt.
After the vibration motor 411 is started, under the action of inertia, the vibration motor 411 drives the vibration cylinder 412 to vibrate. Vibration passes through connecting rod 42 and connecting pipe 43 and transmits two connecting reinforcement 31 in the sleeve 1 on for the concrete thick liquid in the sleeve 1 overflows the sleeve 1 inner chamber with the bubble along with connecting reinforcement 31 under the effect of vibrating, makes concrete thick liquid ground compacter, has improved the plumpness of the interior concrete of sleeve 1, thereby has improved connection structure's connection stability.
In order to facilitate the mounting of the tamper assembly 4, the connecting rod 42 comprises a connecting section 421 and a disconnecting section 422 which are coaxially arranged and are screwed to each other. The connecting section 421 is located in the vibrating tube 14, and one end of the connecting section 421, which is far away from the disassembling section 422, extends into the sleeve 1 and is in threaded connection with the connecting tube 43; the disassembly section 422 is located outside the vibrating tube 14, and the connection hole is opened at the end position of the disassembly section 422 departing from the connection section 421.
Before installing the two prefabricated parts 3, the connecting pipe 43 may be first placed in the sleeve 1, the connecting pipe 43 is sleeved on the connecting steel bar 31 in the sleeve 1, then the connecting rod 42 passes through the vibrating pipe 14 and is screwed into the connecting pipe 43, the connecting pipe 43 and the connecting rod 42 are fixed together, and then the prefabricated part 3 above is hoisted and adjusted so that the connecting steel bar 31 of the prefabricated part 3 below is sequentially inserted into the sleeve 1 and the connecting pipe 43.
Referring to fig. 1, the inner wall of the vibrating tube 14 is coaxially and fixedly connected with a rubber sleeve 15, and the connecting section 421 and the vibrating tube 14 are hermetically connected through the rubber sleeve 15, so that the leakage of concrete slurry through the vibrating tube 14 in the vibrating process is reduced, and the influence on the sleeve 1 due to vibration is reduced.
An inner thread is formed on the inner wall of one end of the connecting pipe 43, and an outer thread matched with the inner thread is formed on the connecting steel bar 31 of at least one prefabricated part 3. In this application, two connecting bars 31 are processed. The outer diameter of the connecting pipe 43 is equal to the outer diameter of the connecting steel bar 31, and the inner wall of one end of the connecting pipe 43 is provided with an internal thread, and the inner wall of the other end is a smooth inner wall. The stability of the connection steel bar 31 and the connection pipe 43 can be improved to a certain extent by the way of threaded connection, and the position of the connection pipe 43 in the sleeve 1 can be stably limited, so that the connection rod 42 is correspondingly connected with the connection pipe 43.
Referring to fig. 1 and 2, end caps 16 are disposed at upper and lower ends of the sleeve 1, and a through hole for passing the connection reinforcing bar 31 is coaxially formed on the end cap 16 and the sleeve 1. An internal thread is formed in the inner peripheral wall of the end cover 16, the end portion of the sleeve 1 is sleeved with the end cover 16 and is in threaded connection with the sleeve 1, an annular sealing gasket 17 is filled between the end cover 16 and the sleeve 1, and the inner wall of the sealing gasket 17 is tightly attached to a connecting steel bar 31 penetrating through the end cover 16.
Further, the inner wall surface of the end cover 16 facing the sleeve 1 is a tapered surface 161, and the surface of the sealing gasket 17 facing the end cover 16 is an arc surface 171 protruding towards the tapered surface 161, so that when the sleeve 1 and the end cover 16 are pressed against each other, the sealing gasket 17 can have a larger deformation allowance, thereby increasing the sealing effect between the connecting steel bar 31 and the sleeve 1.
On the other hand, the application discloses a fabricated building sleeve grouting method includes the following steps:
sleeving the connecting pipe 43 on the end parts of the two connecting steel bars 31 close to each other, and hoisting the two prefabricated parts 3 to enable the two corresponding connecting steel bars 31 to extend into the sleeve 1 from pipe orifices at two ends of the sleeve 1 respectively;
inserting the connecting rod 42 into the vibrating tube 14, and screwing the connecting rod 42 to connect the connecting rod 42 to the connecting tube 43;
tightening the end cap 16 of the sleeve 1 to seal the end of the sleeve 1;
communicating grouting equipment with a feeding pipe 11, and injecting concrete slurry into the sleeve 1 until a discharging pipe 12 is filled;
after grouting is completed, starting the vibrator 41, so that the vibrator 41 drives the connecting rod 42 to vibrate in the vibrating tube 14;
after the vibrator 41 is closed, the driver 21 and the oscilloscope 23 are opened to detect the slurry in the sleeve 1;
in the detection process, when a large bubble cavity exists in the grout in the sleeve 1, the driver 21 and the oscilloscope 23 are closed, the vibrator 41 is restarted, then the driver 21 and the oscilloscope 23 are restarted after the vibrator 41 is closed to detect the grout in the sleeve 1 until the coincidence degree of the waveform displayed by the oscilloscope 23 and the standard waveform is not less than 80%.
The grouting equipment is removed and the inlet pipe 11 and the outlet pipe 12 are plugged. The vibrator 41 is then detached together with the detaching section 422, and after the driver 21 and the oscilloscope 23 are disconnected, the solidification of the concrete grout is awaited.
Finally, uniformly cleaning the parts of the feeding pipe 11 and the discharging pipe 12, which extend out of the surface of the prefabricated part 3, so as to ensure the flatness of the building surface.
By adopting the cylinder grouting method, not only can the compactness of the grout in the sleeve 1 be monitored in real time, but also the compactness of the grout can be adjusted as early as possible, so that bubble cavities contained in concrete in the sleeve 1 are reduced, the stress performance of the connecting structure is improved, and the potential safety hazard of the spliced building is reduced.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an assembled building sleeve cementer which characterized in that: the device comprises a sleeve (1), a driver (21) and an oscilloscope (23), wherein the tube mouths at two ends of the sleeve (1) are respectively used for penetrating through connecting reinforcing steel bars (31) of two different prefabricated components (3), the tube mouths at the upper end and the lower end of the sleeve (1) are respectively provided with a piezoelectric ceramic (22) in parallel, one piezoelectric ceramic (22) is communicated with the driver (21), and the other piezoelectric ceramic (22) is communicated with the oscilloscope (23);
the bottom intercommunication of sleeve (1) is provided with inlet pipe (11) that are used for with slip casting equipment switch-on, the top intercommunication of sleeve (1) is provided with discharging pipe (12).
2. The fabricated building sleeve grouting device of claim 1, wherein: still include vibration subassembly (4), vibration subassembly (4) include vibrator (41), connecting rod (42), connecting pipe (43), and the tip that two connecting reinforcement (31) are close to each other all slides and is connected to in connecting pipe (43), the position department intercommunication that corresponds with connecting pipe (43) on sleeve (1) is provided with vibration pipe (14), connecting pipe (43) slide and connect in vibration pipe (14), and the one end of connecting rod (42) stretch into sleeve (1) in with connecting pipe (43) installation together, and connecting pipe (43) are located sleeve (1) outer position department and are installed together with vibrator (41).
3. The fabricated building sleeve grouting device of claim 2, wherein: the vibrator (41) comprises a vibration motor (411) and a vibration cylinder (412) eccentrically fixed on an output shaft of the vibration motor (411), and the vibration cylinder (412) is installed at a position where the connecting rod (42) extends out of the sleeve (1).
4. The fabricated building sleeve grouting device of claim 2, wherein: connecting rod (42) are including linkage segment (421) and dismantlement section (422), dismantle section (422) and linkage segment (421) and install together, linkage segment (421) are located vibrating tube (14), and linkage segment (421) deviate from the one end of dismantling section (422) and stretch into in sleeve (1) and link together with connecting pipe (43), and dismantle section (422) and be located vibrating tube (14) outside, the vibrator is installed on dismantling section (422).
5. The fabricated building sleeve grouting device of claim 4, wherein: a rubber sleeve (15) is arranged between the connecting section (421) and the vibrating tube (14), and the connecting section (421) is connected with the vibrating tube (14) in a sealing mode through the rubber sleeve (15).
6. The fabricated building sleeve grouting device of claim 2, wherein: the connecting pipe (43) is provided with an internal thread, and the connecting steel bar (31) of at least one prefabricated part (3) is provided with an external thread matched with the internal thread.
7. The fabricated building sleeve grouting device of claim 1, wherein: the end part of the discharge pipe (12) far away from the sleeve (1) is higher than the inner cavity of the sleeve (1).
8. The fabricated building sleeve grouting device of claim 1, wherein: the tip of sleeve (1) is provided with end cover (16), end cover (16) cover is established and threaded connection is at the tip of sleeve (1), it fills sealed pad (17) to fill between end cover (16) and sleeve (1).
9. The fabricated building sleeve grouting device of claim 8, wherein: the inner wall surface of the end cover (16) facing the sleeve (1) is a conical surface (161), and the surface of the sealing gasket (17) facing the end cover (16) is an arc-shaped surface (171) protruding towards the conical surface (161).
10. A grouting method for an assembly type building sleeve is characterized by comprising the following steps: the method comprises the following steps:
sleeving the connecting pipe (43) at the end parts of the two connecting steel bars (31) close to each other, and respectively extending the two connecting steel bars (31) into the sleeve (1) from pipe orifices at the two ends of the sleeve (1);
inserting the connecting rod (42) into the vibrating tube (14), and screwing the connecting rod (42) to connect the connecting rod (42) to the connecting tube (43) in a threaded manner;
communicating grouting equipment with a feeding pipe (11), and injecting grout into the sleeve (1) until a discharging pipe (12) is filled;
after grouting is finished, starting a vibrator;
after the vibrator is closed, the driver (21) and the oscilloscope (23) are opened to detect the slurry in the sleeve (1);
and when the coincidence degree of the waveform displayed by the oscilloscope (23) and the standard waveform is less than 80%, closing the driver (21) and the oscilloscope (23), restarting the vibrator, and then restarting the driver (21) and the oscilloscope (23) to detect the concrete slurry in the sleeve (1) after closing the vibrator until the coincidence degree of the waveform displayed by the oscilloscope (23) and the standard waveform is not less than 80%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211115136 | 2022-09-14 | ||
| CN2022111151368 | 2022-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115749147A true CN115749147A (en) | 2023-03-07 |
| CN115749147B CN115749147B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211641105.6A Active CN115749147B (en) | 2022-09-14 | 2022-12-20 | Assembly type building sleeve grouting device and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115749147B (en) |
| WO (1) | WO2024055434A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055434A1 (en) * | 2022-09-14 | 2024-03-21 | 中交建筑集团有限公司 | Prefabricated-building sleeve grouting device and method |
| US11939768B1 (en) | 2022-09-14 | 2024-03-26 | CCCC Construction Group Co., Ltd. | Sleeve grouting device and method for prefabricated building |
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| Publication number | Publication date |
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| WO2024055434A1 (en) | 2024-03-21 |
| CN115749147B (en) | 2023-06-30 |
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